The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2015
Filed:
Sep. 11, 2013
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Yoichi Minemura, Yokkaichi, JP;
Takayuki Tsukamoto, Yokkaichi, JP;
Takamasa Okawa, Yokkaichi, JP;
Hiroshi Kanno, Yokkaichi, JP;
Atsushi Yoshida, Yokkaichi, JP;
Satoshi Konagai, Mie-gun, JP;
Nobuaki Yasutake, Yokkaichi, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
A nonvolatile semiconductor memory device according to an embodiment includes a memory cell block that includes a memory cell array, the memory cell array including: a plurality of first lines; a plurality of second lines intersecting the plurality of first lines; and a memory cell that is provided at each of intersections of the plurality of first lines and the plurality of second lines and includes a variable resistance element, the memory cell array further including a protective resistance film that is provided respectively at each of the intersections of the plurality of first lines and the plurality of second lines and that is connected in series with the memory cell and ohmically contacts the memory cell, and the protective resistance film being configured from a material having a resistivity of 1˜100 Ω·cm.